The press from french culture (quebec and france) are more about making a sensation, so sometime they come up with articles without really doing a big research. While, article from anglos are more reserved, and won’t admit something if they are not 100% sure.
Thats why sometime, the articles in english give less details and are more boring then there french counterparts.

Calabrians vs sicilians is easier to explain to the quebec citizens than explaining every factions of the mafia world of quebec.
Many people in quebec still think that there only one mafia clan in Montreal ( the rizzuto’s). So trying to explain the many clans etc…. The media went the easy way and just said its sicilian vs calabrian